diff --git a/app/src/main/java/io/legado/app/data/entities/Book.kt b/app/src/main/java/io/legado/app/data/entities/Book.kt
index a4d5d3c97..0d3ef747c 100644
--- a/app/src/main/java/io/legado/app/data/entities/Book.kt
+++ b/app/src/main/java/io/legado/app/data/entities/Book.kt
@@ -114,7 +114,7 @@ data class Book(
         return charset(charset ?: "UTF-8")
     }
 
-    fun rConfig(): ReadConfig {
+    private fun config(): ReadConfig {
         if (readConfig == null) {
             readConfig = ReadConfig()
         }
@@ -122,11 +122,27 @@ data class Book(
     }
 
     fun setUseReplaceRule(useReplaceRule: Boolean) {
-        rConfig().useReplaceRule = useReplaceRule
+        config().useReplaceRule = useReplaceRule
     }
 
     fun getUseReplaceRule(): Boolean {
-        return rConfig().useReplaceRule
+        return config().useReplaceRule
+    }
+
+    fun getReSegment(): Boolean {
+        return config().reSegment
+    }
+
+    fun setReSegment(reSegment: Boolean) {
+        config().reSegment = reSegment
+    }
+
+    fun getPageAnim(): Int {
+        return config().pageAnim
+    }
+
+    fun setPageAnim(pageAnim: Int) {
+        config().pageAnim = pageAnim
     }
 
     fun getFolderName(): String {
diff --git a/app/src/main/java/io/legado/app/help/ContentHelp.kt b/app/src/main/java/io/legado/app/help/ContentHelp.kt
index e3a88dd89..b0f0205bc 100644
--- a/app/src/main/java/io/legado/app/help/ContentHelp.kt
+++ b/app/src/main/java/io/legado/app/help/ContentHelp.kt
@@ -14,73 +14,71 @@ object ContentHelp {
      * @param chapterName 标题
      * @return
      */
-    fun lightNovelParagraph2(content: String, chapterName: String): String {
+    fun reSegment(content: String, chapterName: String): String {
         var content1 = content
-        if (true) {
-            val content2: String
-            val chapterNameLength = chapterName.trim { it <= ' ' }.length
-            content2 = if (chapterNameLength > 1) {
-                val regexp =
-                    chapterName.trim { it <= ' ' }.replace("\\s+".toRegex(), "(\\\\s*)")
-                //            质量较低的页面，章节内可能重复出现章节标题
-                if (chapterNameLength > 5) content1.replace(regexp.toRegex(), "")
-                    .trim { it <= ' ' } else content1.replaceFirst(
-                    "^\\s*" + regexp.toRegex(),
-                    ""
-                ).trim { it <= ' ' }
-            } else {
-                content1
-            }
-            var p = content2
-                .replace("&quot;".toRegex(), "“")
-                .replace("[:：]['\"‘”“]+".toRegex(), "：“")
-                .replace("[\"”“]+[\\s]*[\"”“][\\s\"”“]*".toRegex(), "”\n“")
-                .split("\n(\\s*)".toRegex()).toTypedArray()
-
-            //初始化StringBuffer的长度,在原content的长度基础上做冗余
-            var buffer = StringBuffer((content1.length * 1.15).toInt())
-            //          章节的文本格式为章节标题-空行-首段，所以处理段落时需要略过第一行文本。
-            buffer.append(" ")
-            if (chapterName.trim { it <= ' ' } != p[0].trim { it <= ' ' }) {
-                // 去除段落内空格。unicode 3000 象形字间隔（中日韩符号和标点），不包含在\s内
-                buffer.append(p[0].replace("[\u3000\\s]+".toRegex(), ""))
-            }
+        val content2: String
+        val chapterNameLength = chapterName.trim { it <= ' ' }.length
+        content2 = if (chapterNameLength > 1) {
+            val regexp =
+                chapterName.trim { it <= ' ' }.replace("\\s+".toRegex(), "(\\\\s*)")
+            //            质量较低的页面，章节内可能重复出现章节标题
+            if (chapterNameLength > 5) content1.replace(regexp.toRegex(), "")
+                .trim { it <= ' ' } else content1.replaceFirst(
+                "^\\s*" + regexp.toRegex(),
+                ""
+            ).trim { it <= ' ' }
+        } else {
+            content1
+        }
+        var p = content2
+            .replace("&quot;".toRegex(), "“")
+            .replace("[:：]['\"‘”“]+".toRegex(), "：“")
+            .replace("[\"”“]+[\\s]*[\"”“][\\s\"”“]*".toRegex(), "”\n“")
+            .split("\n(\\s*)".toRegex()).toTypedArray()
+
+        //初始化StringBuffer的长度,在原content的长度基础上做冗余
+        var buffer = StringBuffer((content1.length * 1.15).toInt())
+        //          章节的文本格式为章节标题-空行-首段，所以处理段落时需要略过第一行文本。
+        buffer.append(" ")
+        if (chapterName.trim { it <= ' ' } != p[0].trim { it <= ' ' }) {
+            // 去除段落内空格。unicode 3000 象形字间隔（中日韩符号和标点），不包含在\s内
+            buffer.append(p[0].replace("[\u3000\\s]+".toRegex(), ""))
+        }
 
-            //如果原文存在分段错误，需要把段落重新黏合
-            for (i in 1 until p.size) {
-                if (match(MARK_SENTENCES_END, buffer[buffer.length - 1])) buffer.append("\n")
-                //            段落开头以外的地方不应该有空格
-                // 去除段落内空格。unicode 3000 象形字间隔（中日韩符号和标点），不包含在\s内
-                buffer.append(p[i].replace("[\u3000\\s]".toRegex(), ""))
-            }
-            //     预分段预处理
-            //         ”“处理为”\n“。
-            //         ”。“处理为”。\n“。不考虑“？”  “！”的情况。
-            // ”。xxx处理为 ”。\n xxx
-            p = buffer.toString()
-                .replace("[\"”“]+[\\s]*[\"”“]+".toRegex(), "”\n“")
-                .replace("[\"”“]+(？。！?!~)[\"”“]+".toRegex(), "”$1\n“")
-                .replace("[\"”“]+(？。！?!~)([^\"”“])".toRegex(), "”$1\n$2")
-                .replace(
-                    "([问说喊唱叫骂道着答])[\\.。]".toRegex(),
-                    "$1。\n"
-                ) //                .replaceAll("([\\.。\\!！?？])([^\"”“]+)[:：][\"”“]", "$1\n$2：“")
-                .split("\n".toRegex()).toTypedArray()
-            buffer = StringBuffer((content1.length * 1.15).toInt())
-            for (s in p) {
-                buffer.append("\n")
-                buffer.append(
-                    findNewLines(s)
-                )
-            }
-            buffer = reduceLength(buffer)
-            content1 = ("$chapterName\n\n" + buffer.toString() //         处理章节头部空格和换行
-                .replaceFirst("^\\s+".toRegex(), "")
-                .replace("\\s*[\"”“]+[\\s]*[\"”“][\\s\"”“]*".toRegex(), "”\n“")
-                .replace("[:：][”“\"\\s]+".toRegex(), "：“")
-                .replace("\n[\"“”]([^\n\"“”]+)([,:，：][\"”“])([^\n\"“”]+)".toRegex(), "\n$1：“$3")
-                .replace("\n(\\s*)".toRegex(), "\n"))
+        //如果原文存在分段错误，需要把段落重新黏合
+        for (i in 1 until p.size) {
+            if (match(MARK_SENTENCES_END, buffer[buffer.length - 1])) buffer.append("\n")
+            //            段落开头以外的地方不应该有空格
+            // 去除段落内空格。unicode 3000 象形字间隔（中日韩符号和标点），不包含在\s内
+            buffer.append(p[i].replace("[\u3000\\s]".toRegex(), ""))
+        }
+        //     预分段预处理
+        //         ”“处理为”\n“。
+        //         ”。“处理为”。\n“。不考虑“？”  “！”的情况。
+        // ”。xxx处理为 ”。\n xxx
+        p = buffer.toString()
+            .replace("[\"”“]+[\\s]*[\"”“]+".toRegex(), "”\n“")
+            .replace("[\"”“]+(？。！?!~)[\"”“]+".toRegex(), "”$1\n“")
+            .replace("[\"”“]+(？。！?!~)([^\"”“])".toRegex(), "”$1\n$2")
+            .replace(
+                "([问说喊唱叫骂道着答])[\\.。]".toRegex(),
+                "$1。\n"
+            ) //                .replaceAll("([\\.。\\!！?？])([^\"”“]+)[:：][\"”“]", "$1\n$2：“")
+            .split("\n".toRegex()).toTypedArray()
+        buffer = StringBuffer((content1.length * 1.15).toInt())
+        for (s in p) {
+            buffer.append("\n")
+            buffer.append(
+                findNewLines(s)
+            )
         }
+        buffer = reduceLength(buffer)
+        content1 = ("$chapterName\n\n" + buffer.toString() //         处理章节头部空格和换行
+            .replaceFirst("^\\s+".toRegex(), "")
+            .replace("\\s*[\"”“]+[\\s]*[\"”“][\\s\"”“]*".toRegex(), "”\n“")
+            .replace("[:：][”“\"\\s]+".toRegex(), "：“")
+            .replace("\n[\"“”]([^\n\"“”]+)([,:，：][\"”“])([^\n\"“”]+)".toRegex(), "\n$1：“$3")
+            .replace("\n(\\s*)".toRegex(), "\n"))
         return content1
     }
 
diff --git a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
index 9ad5a9250..b73a353d3 100644
--- a/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
+++ b/app/src/main/java/io/legado/app/help/ReadBookConfig.kt
@@ -96,7 +96,6 @@ object ReadBookConfig {
                 bgMeanColor = color
             }
         }
-        isScroll = pageAnim == 3
     }
 
     fun save() {
@@ -154,7 +153,6 @@ object ReadBookConfig {
                 App.INSTANCE.putPrefBoolean(PreferKey.shareLayout, value)
             }
         }
-    var isScroll = pageAnim == 3
     val clickTurnPage get() = App.INSTANCE.getPrefBoolean(PreferKey.clickTurnPage, true)
     val textFullJustify get() = App.INSTANCE.getPrefBoolean(PreferKey.textFullJustify, true)
     val textBottomJustify get() = App.INSTANCE.getPrefBoolean(PreferKey.textBottomJustify, true)
@@ -167,7 +165,6 @@ object ReadBookConfig {
         get() = config.curPageAnim()
         set(value) {
             config.setCurPageAnim(value)
-            isScroll = pageAnim == 3
         }
 
     var textFont: String
diff --git a/app/src/main/java/io/legado/app/lib/dialogs/AndroidSelectors.kt b/app/src/main/java/io/legado/app/lib/dialogs/AndroidSelectors.kt
index 1eb5dbff9..4d44b6346 100644
--- a/app/src/main/java/io/legado/app/lib/dialogs/AndroidSelectors.kt
+++ b/app/src/main/java/io/legado/app/lib/dialogs/AndroidSelectors.kt
@@ -42,3 +42,17 @@ fun Context.selector(
         show().applyTint()
     }
 }
+
+fun Context.selector(
+    titleSource: Int? = null,
+    items: List<CharSequence>,
+    onClick: (DialogInterface, Int) -> Unit
+) {
+    with(AndroidAlertBuilder(this)) {
+        if (titleSource != null) {
+            this.title = getString(titleSource)
+        }
+        items(items, onClick)
+        show().applyTint()
+    }
+}
diff --git a/app/src/main/java/io/legado/app/service/help/ReadBook.kt b/app/src/main/java/io/legado/app/service/help/ReadBook.kt
index a337f59ec..54e772a46 100644
--- a/app/src/main/java/io/legado/app/service/help/ReadBook.kt
+++ b/app/src/main/java/io/legado/app/service/help/ReadBook.kt
@@ -11,6 +11,7 @@ import io.legado.app.data.entities.ReadRecord
 import io.legado.app.help.AppConfig
 import io.legado.app.help.BookHelp
 import io.legado.app.help.IntentDataHelp
+import io.legado.app.help.ReadBookConfig
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.model.webBook.WebBook
 import io.legado.app.service.BaseReadAloudService
@@ -57,6 +58,7 @@ object ReadBook {
         curTextChapter = null
         nextTextChapter = null
         titleDate.postValue(book.name)
+        callBack?.upPageAnim()
         upWebBook(book)
         ImageProvider.clearAllCache()
         synchronized(this) {
@@ -431,6 +433,16 @@ object ReadBook {
 
     private val imageStyle get() = webBook?.bookSource?.ruleContent?.imageStyle
 
+    fun pageAnim(): Int {
+        book?.let {
+            return if (it.getPageAnim() < 0)
+                ReadBookConfig.pageAnim
+            else
+                it.getPageAnim()
+        }
+        return ReadBookConfig.pageAnim
+    }
+
     fun setCharset(charset: String) {
         book?.let {
             it.charset = charset
@@ -460,6 +472,7 @@ object ReadBook {
         fun upView()
         fun pageChanged()
         fun contentLoadFinish()
+        fun upPageAnim()
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index db2c1cfa2..540bb2a05 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -91,7 +91,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
 
     override val scope: CoroutineScope get() = this
     override val isInitFinish: Boolean get() = viewModel.isInitFinish
-
+    override val isScroll: Boolean get() = page_view.isScroll
     private val mHandler = Handler()
     private val keepScreenRunnable: Runnable =
         Runnable { ReadBookActivityHelp.keepScreenOn(window, false) }
@@ -228,8 +228,9 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
                         R.id.menu_group_text -> item.isVisible = book.isLocalTxt()
                         R.id.menu_group_login ->
                             item.isVisible = !ReadBook.webBook?.bookSource?.loginUrl.isNullOrEmpty()
-                        else -> if (item.itemId == R.id.menu_enable_replace) {
-                            item.isChecked = book.getUseReplaceRule()
+                        else -> when (item.itemId) {
+                            R.id.menu_enable_replace -> item.isChecked = book.getUseReplaceRule()
+                            R.id.menu_re_segment -> item.isChecked = book.getReSegment()
                         }
                     }
                 }
@@ -267,6 +268,14 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
                 menu?.findItem(R.id.menu_enable_replace)?.isChecked = it.getUseReplaceRule()
                 onReplaceRuleSave()
             }
+            R.id.menu_re_segment -> ReadBook.book?.let {
+                it.setReSegment(!it.getReSegment())
+                menu?.findItem(R.id.menu_re_segment)?.isChecked = it.getReSegment()
+                ReadBook.loadContent(false)
+            }
+            R.id.menu_page_anim -> ReadBookActivityHelp.showPageAnimConfig(this) {
+                page_view.upPageAnim()
+            }
             R.id.menu_book_info -> ReadBook.book?.let {
                 startActivity<BookInfoActivity>(
                     Pair("name", it.name),
@@ -582,6 +591,12 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         }
     }
 
+    override fun upPageAnim() {
+        launch {
+            page_view.upPageAnim()
+        }
+    }
+
     /**
      * 页面改变
      */
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivityHelp.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivityHelp.kt
index 78195ad05..8b309e870 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivityHelp.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivityHelp.kt
@@ -189,6 +189,20 @@ object ReadBookActivityHelp {
         }.show().applyTint()
     }
 
+    fun showPageAnimConfig(context: Context, success: () -> Unit) = with(context) {
+        val items = arrayListOf<String>()
+        items.add(getString(R.string.btn_default_s))
+        items.add(getString(R.string.page_anim_cover))
+        items.add(getString(R.string.page_anim_slide))
+        items.add(getString(R.string.page_anim_simulation))
+        items.add(getString(R.string.page_anim_scroll))
+        items.add(getString(R.string.page_anim_none))
+        selector(R.string.page_anim, items) { _, i ->
+            ReadBook.book?.setPageAnim(i - 1)
+            success()
+        }
+    }
+
     fun isPrevKey(context: Context, keyCode: Int): Boolean {
         val prevKeysStr = context.getPrefString(PreferKey.prevKeys)
         return prevKeysStr?.split(",")?.contains(keyCode.toString()) ?: false
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
index 4f3b2c1a0..0b9923115 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
@@ -17,6 +17,7 @@ import io.legado.app.lib.dialogs.selector
 import io.legado.app.lib.theme.accentColor
 import io.legado.app.lib.theme.bottomBackground
 import io.legado.app.lib.theme.getPrimaryTextColor
+import io.legado.app.service.help.ReadBook
 import io.legado.app.ui.book.read.ReadBookActivity
 import io.legado.app.ui.widget.font.FontSelectDialog
 import io.legado.app.utils.*
@@ -138,6 +139,7 @@ class ReadStyleDialog : BaseDialogFragment(), FontSelectDialog.CallBack {
             TipConfigDialog().show(childFragmentManager, "tipConfigDialog")
         }
         rg_page_anim.onCheckedChange { _, checkedId ->
+            ReadBook.book?.setPageAnim(-1)
             ReadBookConfig.pageAnim = rg_page_anim.getIndexById(checkedId)
             callBack?.page_view?.upPageAnim()
         }
@@ -216,10 +218,12 @@ class ReadStyleDialog : BaseDialogFragment(), FontSelectDialog.CallBack {
     }
 
     private fun upView() {
-        ReadBookConfig.let {
-            if (it.pageAnim >= 0 && it.pageAnim < rg_page_anim.childCount) {
-                rg_page_anim.check(rg_page_anim[it.pageAnim].id)
+        ReadBook.pageAnim().let {
+            if (it >= 0 && it < rg_page_anim.childCount) {
+                rg_page_anim.check(rg_page_anim[it].id)
             }
+        }
+        ReadBookConfig.let {
             dsb_text_size.progress = it.textSize - 5
             dsb_text_letter_spacing.progress = (it.letterSpacing * 100).toInt() + 50
             dsb_line_size.progress = it.lineSpacingExtra
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
index 575279a1c..5512ff66d 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
@@ -86,7 +86,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         textPage.textLines.forEach { textLine ->
             draw(canvas, textLine, relativeOffset)
         }
-        if (!ReadBookConfig.isScroll) return
+        if (!callBack.isScroll) return
         //滚动翻页
         if (!pageFactory.hasNext()) return
         val nextPage = relativePage(1)
@@ -215,7 +215,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
             relativeOffset = relativeOffset(relativePos)
             if (relativePos > 0) {
                 //滚动翻页
-                if (!ReadBookConfig.isScroll) return
+                if (!callBack.isScroll) return
                 if (relativeOffset >= ChapterProvider.visibleHeight) return
             }
             val page = relativePage(relativePos)
@@ -252,7 +252,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
             relativeOffset = relativeOffset(relativePos)
             if (relativePos > 0) {
                 //滚动翻页
-                if (!ReadBookConfig.isScroll) return
+                if (!callBack.isScroll) return
                 if (relativeOffset >= ChapterProvider.visibleHeight) return
             }
             for ((lineIndex, textLine) in relativePage(relativePos).textLines.withIndex()) {
@@ -295,7 +295,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
             relativeOffset = relativeOffset(relativePos)
             if (relativePos > 0) {
                 //滚动翻页
-                if (!ReadBookConfig.isScroll) return
+                if (!callBack.isScroll) return
                 if (relativeOffset >= ChapterProvider.visibleHeight) return
             }
             Log.e("y", "$y")
@@ -358,7 +358,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     }
 
     private fun upSelectChars() {
-        val last = if (ReadBookConfig.isScroll) 2 else 0
+        val last = if (callBack.isScroll) 2 else 0
         for (relativePos in 0..last) {
             for ((lineIndex, textLine) in relativePage(relativePos).textLines.withIndex()) {
                 for ((charIndex, textChar) in textLine.textChars.withIndex()) {
@@ -397,7 +397,7 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     }
 
     fun cancelSelect() {
-        val last = if (ReadBookConfig.isScroll) 2 else 0
+        val last = if (callBack.isScroll) 2 else 0
         for (relativePos in 0..last) {
             relativePage(relativePos).textLines.forEach { textLine ->
                 textLine.textChars.forEach {
@@ -499,5 +499,6 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
         val headerHeight: Int
         val pageFactory: TextPageFactory
         val scope: CoroutineScope
+        val isScroll: Boolean
     }
 }
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/PageView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/PageView.kt
index 3d4d6e266..4b12e71f6 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/PageView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/PageView.kt
@@ -29,7 +29,13 @@ class PageView(context: Context, attrs: AttributeSet) :
     val callBack: CallBack get() = activity as CallBack
     var pageFactory: TextPageFactory = TextPageFactory(this)
     var pageDelegate: PageDelegate? = null
-
+        private set(value) {
+            field?.onDestroy()
+            field = null
+            field = value
+            upContent()
+        }
+    var isScroll = ReadBook.pageAnim() == 3
     var prevPage: ContentView = ContentView(context)
     var curPage: ContentView = ContentView(context)
     var nextPage: ContentView = ContentView(context)
@@ -304,20 +310,28 @@ class PageView(context: Context, attrs: AttributeSet) :
     }
 
     fun upPageAnim() {
-        pageDelegate?.onDestroy()
-        pageDelegate = null
-        pageDelegate = when (ReadBookConfig.pageAnim) {
-            0 -> CoverPageDelegate(this)
-            1 -> SlidePageDelegate(this)
-            2 -> SimulationPageDelegate(this)
-            3 -> ScrollPageDelegate(this)
-            else -> NoAnimPageDelegate(this)
+        isScroll = ReadBook.pageAnim() == 3
+        when (ReadBook.pageAnim()) {
+            0 -> if (pageDelegate !is CoverPageDelegate) {
+                pageDelegate = CoverPageDelegate(this)
+            }
+            1 -> if (pageDelegate !is SlidePageDelegate) {
+                pageDelegate = SlidePageDelegate(this)
+            }
+            2 -> if (pageDelegate !is SimulationPageDelegate) {
+                pageDelegate = SimulationPageDelegate(this)
+            }
+            3 -> if (pageDelegate !is ScrollPageDelegate) {
+                pageDelegate = ScrollPageDelegate(this)
+            }
+            else -> if (pageDelegate !is NoAnimPageDelegate) {
+                pageDelegate = NoAnimPageDelegate(this)
+            }
         }
-        upContent()
     }
 
     override fun upContent(relativePosition: Int, resetPageOffset: Boolean) {
-        if (ReadBookConfig.isScroll && !callBack.isAutoPage) {
+        if (isScroll && !callBack.isAutoPage) {
             curPage.setContent(pageFactory.currentPage, resetPageOffset)
         } else {
             curPage.resetPageOffset()
diff --git a/app/src/main/res/menu/read_book.xml b/app/src/main/res/menu/read_book.xml
index 967221408..59c5c3025 100644
--- a/app/src/main/res/menu/read_book.xml
+++ b/app/src/main/res/menu/read_book.xml
@@ -70,6 +70,12 @@
         android:title="@string/copy_text"
         app:showAsAction="ifRoom" />
 
+    <item
+        android:id="@+id/menu_page_anim"
+        android:icon="@drawable/ic_auto_page"
+        android:title="@string/page_anim"
+        app:showAsAction="never" />
+
     <item
         android:id="@+id/menu_enable_replace"
         android:icon="@drawable/ic_find_replace"
@@ -78,6 +84,14 @@
         android:checked="true"
         app:showAsAction="never" />
 
+    <item
+        android:id="@+id/menu_re_segment"
+        android:icon="@drawable/ic_toc"
+        android:title="@string/re_segment"
+        android:checkable="true"
+        android:checked="false"
+        app:showAsAction="never" />
+
     <item
         android:id="@+id/menu_update_toc"
         android:icon="@drawable/ic_update"
diff --git a/app/src/main/res/values-night/strings.xml b/app/src/main/res/values-night/strings.xml
deleted file mode 100644
index 0d2c4cc40..000000000
--- a/app/src/main/res/values-night/strings.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-
-</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index a0c4f79a5..c22a10b65 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -773,5 +773,6 @@
     <string name="theme_name">主题名称</string>
     <string name="auto_clear_expired">自动清除过期搜索数据</string>
     <string name="auto_clear_expired_summary">超过一天的搜索数据</string>
+    <string name="re_segment">重新分段</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 43de70b8f..33ebcf483 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -773,5 +773,6 @@
     <string name="theme_name">主题名称</string>
     <string name="auto_clear_expired">自动清除过期搜索数据</string>
     <string name="auto_clear_expired_summary">超过一天的搜索数据</string>
+    <string name="re_segment">重新分段</string>
 
 </resources>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 62f3865dd..f9d6236aa 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -776,5 +776,6 @@
     <string name="theme_name">主题名称</string>
     <string name="auto_clear_expired">自动清除过期搜索数据</string>
     <string name="auto_clear_expired_summary">超过一天的搜索数据</string>
+    <string name="re_segment">重新分段</string>
 
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 870f42f73..5ab11e2a6 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -779,5 +779,6 @@
     <string name="theme_name">主题名称</string>
     <string name="auto_clear_expired">自动清除过期搜索数据</string>
     <string name="auto_clear_expired_summary">超过一天的搜索数据</string>
+    <string name="re_segment">重新分段</string>
 
 </resources>